This 830-million-year-old crystal might contain life. And we're about to open it
by Michael Levitt
May 24, 2022
2 minutes
From lemons to ham, salt is a handy food preservative. But researchers studying some really old salt crystals found them preserving something else â evidence of life.
"There are little cubes of the original liquid from which that salt grew. And the surprise for us is that
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